The book opens with a quote about grafting. How does this relate to Harper and Hayley?

Why does The Bride posses Hayley rather than someone else?

How does Hayley change when she is possessed?

How does Hayley control the possession throughout the story?

Describe in detail the role Harper has in Lily's life.

How does the group of friends uncover the truth regarding Amelia's tragic tale?

Why do they feel they should help the ghost?